This book is about music engraving, i.e., professional typesetting.
It contains directions on stamping, use of pens and notational
conventions. The sections on reproduction technicalities and history
are also interesting.

Schirmer 2001

The G.Schirmer/AMP Manual of Style and Usage. G.Schirmer/AMP, NY, 2001.
(This book can be ordered from the rental department.)

This manual specifically focuses on preparing print for publication by
Schirmer. It discusses many details that are not in other, normal
notation books. It also gives a good idea of what is necessary to bring
printouts to publication quality.

Stone 1980

Kurt Stone, Music Notation in the Twentieth Century.
Norton, New York 1980.

This book describes music notation for modern serious music, but
starts out with a thorough overview of existing traditional notation
practices.